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<?xml version="1.0"?> <mods xmlns="http://www.loc.gov/mods/v3" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:xlink="http://www.w3.org/1999/xlink" version="3.7" xsi:schemaLocation="http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-7.xsd"> <titleInfo> <title>Ocean Acidification, 2007-2008</title> </titleInfo> <name type="corporate"> <namePart>National Center for Ecological Analysis and Synthesis</namePart> <role> <roleTerm authority="marcrelator" type="text">creator</roleTerm> </role> </name> <genre valueURI="http://id.loc.gov/authorities/genreForms/gf2011026297" authority="lcgft">Geospatial data</genre> <genre valueURI="http://rdvocab.info/termList/RDAContentType/1001" authority="rdacontent">cartographic dataset</genre> <typeOfResource>cartographic</typeOfResource> <typeOfResource>software, multimedia</typeOfResource> <physicalDescription> <form>Raster Dataset</form> <digitalOrigin>born digital</digitalOrigin> </physicalDescription> <language> <languageTerm authority="iso639-2b" type="code">eng</languageTerm> </language> <abstract lang="eng" displayLabel="Abstract">This raster dataset depicts the measurements of ocean acidification at global coverage. Changes in CO2 concentration alter the aragonite saturation state (ASS) of the ocean, among other chemical properties of seawater, and as ASS levels drop the ability of calcifying species such as corals, diatoms, and shelled invertebrates to create calcium carbonate structures declines. The global distribution of ASS values has been modeled at 1-degree resolution for pre-industrial (circa 1870) and modern times (2000-2009). We use the difference between these values as an estimate of the human-derived driver of changes in ocean acidification. This dataset is part of the Global Map of Human Impacts to Marine Ecosystems, a collection of data and analyses related to anthropogenic drivers of change in marine ecosystems.</abstract> <abstract lang="eng" displayLabel="Purpose">The goal of this research is to estimate and visualize the global impact that humans are having on the oceans' ecosystems.</abstract> <note lang="eng" displayLabel="Preferred citation">National Center for Ecologial Analysis and Synthesis. (2008) Ocean Acidification, 2007-2008. Science. Available at: http://purl.stanford.edu/tg926kp6619</note> <note displayLabel="Supplemental information">Please see supplimental online materials for more information.</note> <note displayLabel="WGS84 Cartographics">This layer is presented in the WGS84 coordinate system for web display purposes. Downloadable data are provided in native coordinate system or projection.</note> <subject authority="lcsh" lang="eng"> <topic authority="lcsh" authorityURI="http://id.loc.gov/authorities/subjects.html">Ocean acidification</topic> </subject> <subject authority="lcsh" lang="eng"> <topic authority="lcsh" authorityURI="http://id.loc.gov/authorities/subjects.html">Environmental impact analysis</topic> </subject> <subject authority="geonames" lang="eng"> <geographic authority="geonames" authorityURI="http://www.geonames.org/ontology#" valueURI="http://sws.geonames.org/6295630/">Earth</geographic> </subject> <subject> <temporal encoding="w3cdtf">2007</temporal> </subject> <subject> <temporal encoding="w3cdtf">2008</temporal> </subject> <subject authority="ISO19115TopicCategory"> <topic authority="ISO19115TopicCategory" authorityURI="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_TopicCategoryCode" valueURI="environment">Environment</topic> </subject> <subject authority="ISO19115TopicCategory"> <topic authority="ISO19115TopicCategory" authorityURI="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_TopicCategoryCode" valueURI="oceans">Oceans</topic> </subject> <subject authority="ISO19115TopicCategory"> <topic authority="ISO19115TopicCategory" authorityURI="http://www.isotc211.org/2005/resources/Codelist/gmxCodelists.xml#MD_TopicCategoryCode" valueURI="imageryBaseMapsEarthCover">Imagery and Base Maps</topic> </subject> <subject authority="lcsh"> <geographic authority="lcsh" valueURI="https://id.loc.gov/authorities/subjects/sh85040427">Earth (Planet)</geographic> </subject> <subject> <cartographics> <scale>Scale not given.</scale> <projection>ESRI::54009</projection> <coordinates>W 180°--E 180°/N 90°--S 90°</coordinates> </cartographics> </subject> <subject displayLabel="WGS84" authority="EPSG" valueURI="http://opengis.net/def/crs/EPSG/0/4326"> <cartographics> <projection>EPSG::4326</projection> </cartographics> </subject> <originInfo> <dateIssued encoding="w3cdtf" keyDate="yes">2008</dateIssued> <dateValid encoding="w3cdtf">2007</dateValid> <dateValid encoding="w3cdtf">2008</dateValid> <place> <placeTerm type="text">Washington, D.C., US</placeTerm> </place> <publisher>Science</publisher> </originInfo> <location> <url usage="primary display">https://purl.stanford.edu/tg926kp6619</url> </location> <recordInfo> <languageOfCataloging> <languageTerm authority="iso639-2b" type="code">eng</languageTerm> </languageOfCataloging> <recordContentSource>Stanford</recordContentSource> <recordOrigin>This record was translated from ISO 19139 to MODS v.3 using an xsl transformation.</recordOrigin> <recordIdentifier>edu.stanford.purl:tg926kp6619</recordIdentifier> </recordInfo> <relatedItem type="isReferencedBy"> <titleInfo> <title>A Global Map of Human Impact on Marine Ecosystems</title> </titleInfo> <name type="personal"> <namePart>Halpern, Benjamin S.</namePart> </name> <name type="personal"> <namePart>Walbridge, Shaun</namePart> </name> <name type="personal"> <namePart>Selkoe, Kimberly A.</namePart> </name> <name type="personal"> <namePart>Kappel, Carrie V.</namePart> </name> <name type="personal"> <namePart>Micheli, Fiorenza</namePart> </name> <name type="personal"> <namePart>D'Agrosa, Caterina</namePart> </name> <name type="personal"> <namePart>Bruno, John F.</namePart> </name> <name type="personal"> <namePart>Casey, Kenneth S.</namePart> </name> <name type="personal"> <namePart>Ebert, Colin</namePart> </name> <name type="personal"> <namePart>Fox, Helen E.</namePart> </name> <name type="personal"> <namePart>Fujita, Rod</namePart> </name> <name type="personal"> <namePart>Heinemann, Dennis</namePart> </name> <name type="personal"> <namePart>Lenihan, Hunter S.</namePart> </name> <name type="personal"> <namePart>Madin, Elizabeth M.P.</namePart> </name> <name type="personal"> <namePart>Perry, Matthew T.</namePart> </name> <name type="personal"> <namePart>Selig, Elizabeth R.</namePart> </name> <name type="personal"> <namePart>Spalding, Mark</namePart> </name> <name type="personal"> <namePart>Steneck, Robert</namePart> </name> <name type="personal"> <namePart>Watson, Reg</namePart> </name> <originInfo> <dateIssued encoding="w3cdtf">2008</dateIssued> <publisher>Science</publisher> </originInfo> <location> <url>dx.doi.org/10.1126/science.1149345</url> </location> </relatedItem> <extension displayLabel="geo"> <rdf:RDF xmlns:gml="http://www.opengis.net/gml/3.2/" xmlns:dc="http://purl.org/dc/elements/1.1/"> <rdf:Description rdf:about="http://purl.stanford.edu/tg926kp6619"> <dc:format>image/tiff; format=ArcGRID</dc:format> <dc:type>Dataset#Raster</dc:type> <gml:boundedBy> <gml:Envelope gml:srsName="EPSG:4326"> <gml:lowerCorner>-180.0 -90.0</gml:lowerCorner> <gml:upperCorner>180.0 90.0</gml:upperCorner> </gml:Envelope> </gml:boundedBy> </rdf:Description> </rdf:RDF> </extension> <relatedItem type="host"> <titleInfo> <title>A Global Map of Human Impacts to Marine Ecosystems</title> </titleInfo> <location> <url>https://purl.stanford.edu/wy139zd0043</url> </location> <typeOfResource collection="yes"/> </relatedItem> <accessCondition type="useAndReproduction">This item is in the public domain. There are no restrictions on use.</accessCondition> <accessCondition type="copyright">This work is in the Public Domain, meaning that it is not subject to copyright.</accessCondition> </mods>
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